The Ealing Half Marathon is just around the corner, and many of you - including getwestlondon's what's on writer Emily Chudy - will be training hard before running the 13.1-mile race.

The course will be run in a single lap, starting in Lammas Park and taking in parts of Central Ealing, Montpelier, Pitshanger, West Ealing, Hanwell and St Stephens before returning to Lammas Park via the Uxbridge Road.

With all the hard work you've put in, you'll want an accurate measurement of your time; luckily, Ealing Half Marathon has provided a personal timing chip in every runner's race pack.

Here's what to do with yours to ensure an accurate time:

Instructions in the Ealing Half Marathon handbook state: "You'll find a timing chip in your race pack that must be attached according to the instructions provided. This system records the time that you cross the start and finish line to provide an accurate 'chip time' regardless of how long it takes you to filter across the start line.

"This chip needs to be removed and deposited in the finish zone after the race. Marshals will be on hand to assist you in removing the chip.

"Xempo are providing pace makers who will be clearly identifiable and located adjacent to the relevant start zone area. Xempo pace makers will be guiding runners aiming for times of: 1h30, 1h40, 1h50, 2h00, 2h10, 2h20 and 2h30."

Instructions state that in order to attach the chip to your shoes, you must: